/Engine/Plugins/EnhancedInput/Source/EnhancedInput/Public/InputMappingQuery.h
Mapping issues arising from a QueryMapKeyIn... call.
enum EMappingQueryIssue { NoIssue = 0x00, ReservedByAction = 0x01, HidesExistingMapping = 0x02, HiddenByExistingMapping = 0x04, CollisionWithMappingInSameContext = 0x08, ForcesTypePromotion = 0x10, ForcesTypeDemotion = 0x20, }